| CVE-2009-4418 | Date: (C)2009-12-24 (M)2023-12-22 |
The unserialize function in PHP 5.3.0 and earlier allows context-dependent attackers to cause a denial of service (resource consumption) via a deeply nested serialized variable, as demonstrated by a string beginning with a:1: followed by many {a:1: sequences.
CVSS Score and Metrics +CVSS Score and Metrics -| CVSS V2 Severity: |
| CVSS Score : 5.0 |
| Exploit Score: 10.0 |
| Impact Score: 2.9 |
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| CVSS V2 Metrics: |
| Access Vector: NETWORK |
| Access Complexity: LOW |
| Authentication: NONE |
| Confidentiality: NONE |
| Integrity: NONE |
| Availability: PARTIAL |
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